diff --git a/docs/installation.rst b/docs/installation.rst
index 06b1162c1..f024b2e4d 100644
--- a/docs/installation.rst
+++ b/docs/installation.rst
@@ -15,27 +15,29 @@ Python Support
 
 Pillow supports these Python versions.
 
-+----------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+
-| **Python**           |**3.9**|**3.8**|**3.7**|**3.6**|**3.5**|**3.4**|**3.3**|**3.2**|**2.7**|**2.6**|**2.5**|**2.4**|
-+----------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+
-| Pillow >= 8.0        |  Yes  |  Yes  |  Yes  |  Yes  |       |       |       |       |       |       |       |       |
-+----------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+
-| Pillow 7.0 - 7.2     |       |  Yes  |  Yes  |  Yes  |  Yes  |       |       |       |       |       |       |       |
-+----------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+
-| Pillow 6.2.1 - 6.2.2 |       |  Yes  |  Yes  |  Yes  |  Yes  |       |       |       |  Yes  |       |       |       |
-+----------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+
-| Pillow 6.0 - 6.2.0   |       |       |  Yes  |  Yes  |  Yes  |       |       |       |  Yes  |       |       |       |
-+----------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+
-| Pillow 5.2 - 5.4     |       |       |  Yes  |  Yes  |  Yes  |  Yes  |       |       |  Yes  |       |       |       |
-+----------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+
-| Pillow 5.0 - 5.1     |       |       |       |  Yes  |  Yes  |  Yes  |       |       |  Yes  |       |       |       |
-+----------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+
-| Pillow 4             |       |       |       |  Yes  |  Yes  |  Yes  |  Yes  |       |  Yes  |       |       |       |
-+----------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+
-| Pillow 2 - 3         |       |       |       |       |  Yes  |  Yes  |  Yes  |  Yes  |  Yes  |  Yes  |       |       |
-+----------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+
-| Pillow < 2           |       |       |       |       |       |       |       |       |  Yes  |  Yes  |  Yes  |  Yes  |
-+----------------------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+-------+
++----------------------+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+
+|        Python        |3.10 | 3.9 | 3.8 | 3.7 | 3.6 | 3.5 | 3.4 | 3.3 | 3.2 | 2.7 | 2.6 | 2.5 | 2.4 |
++======================+=====+=====+=====+=====+=====+=====+=====+=====+=====+=====+=====+=====+=====+
+| Pillow >= 8.3        | Yes | Yes | Yes | Yes | Yes |     |     |     |     |     |     |     |     |
++----------------------+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+
+| Pillow 8.0 - 8.2     |     | Yes | Yes | Yes | Yes |     |     |     |     |     |     |     |     |
++----------------------+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+
+| Pillow 7.0 - 7.2     |     |     | Yes | Yes | Yes | Yes |     |     |     |     |     |     |     |
++----------------------+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+
+| Pillow 6.2.1 - 6.2.2 |     |     | Yes | Yes | Yes | Yes |     |     |     | Yes |     |     |     |
++----------------------+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+
+| Pillow 6.0 - 6.2.0   |     |     |     | Yes | Yes | Yes |     |     |     | Yes |     |     |     |
++----------------------+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+
+| Pillow 5.2 - 5.4     |     |     |     | Yes | Yes | Yes | Yes |     |     | Yes |     |     |     |
++----------------------+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+
+| Pillow 5.0 - 5.1     |     |     |     |     | Yes | Yes | Yes |     |     | Yes |     |     |     |
++----------------------+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+
+| Pillow 4             |     |     |     |     | Yes | Yes | Yes | Yes |     | Yes |     |     |     |
++----------------------+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+
+| Pillow 2 - 3         |     |     |     |     |     | Yes | Yes | Yes | Yes | Yes | Yes |     |     |
++----------------------+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+
+| Pillow < 2           |     |     |     |     |     |     |     |     |     | Yes | Yes | Yes | Yes |
++----------------------+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+-----+
 
 Basic Installation
 ------------------
diff --git a/setup.py b/setup.py
index e75d8eea4..6dc4e1b77 100755
--- a/setup.py
+++ b/setup.py
@@ -39,7 +39,7 @@ TIFF_ROOT = None
 ZLIB_ROOT = None
 FUZZING_BUILD = "LIB_FUZZING_ENGINE" in os.environ
 
-if sys.platform == "win32" and sys.version_info >= (3, 10):
+if sys.platform == "win32" and sys.version_info >= (3, 11):
     import atexit
 
     atexit.register(
@@ -1002,6 +1002,7 @@ try:
             "Programming Language :: Python :: 3.7",
             "Programming Language :: Python :: 3.8",
             "Programming Language :: Python :: 3.9",
+            "Programming Language :: Python :: 3.10",
             "Programming Language :: Python :: 3 :: Only",
             "Programming Language :: Python :: Implementation :: CPython",
             "Programming Language :: Python :: Implementation :: PyPy",
diff --git a/tox.ini b/tox.ini
index 2557d5067..cdc2ab881 100644
--- a/tox.ini
+++ b/tox.ini
@@ -6,7 +6,7 @@
 [tox]
 envlist =
     lint
-    py{36,37,38,39,py3}
+    py{36,37,38,39,310,py3}
 minversion = 1.9
 
 [testenv]